The drilling companies that have actually completed wells within 15 miles of Garrison, ranked by how many, from the well logs each company filed with the state. Garrison is in Powell County.
In the last five years, 123 wells were completed within 15 miles of Garrison, by 15 different drilling companies. The most active was Okeefe Drilling Co, with 46. The three busiest companies drilled 63 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Okeefe Drilling Co | 46 | 2026 | 4 mi |
| Western Water Wells | 19 | 2026 | 1 mi |
| Jeromes Drilling Co | 13 | 2024 | 2 mi |
| Ak Drilling Inc | 12 | 2026 | 1 mi |
| A-10 Drilling | 9 | 2024 | 1 mi |
| West Central Environmental Consultants | 6 | 2025 | 5 mi |
| Aaaa Water Well Drilling Inc | 5 | 2026 | 1 mi |
| H & L Drilling Inc | 3 | 2024 | 11 mi |
| 406 Water Wells, Llc | 2 | 2025 | 9 mi |
| Ace Drilling | 2 | 2023 | 6 mi |
| Old Town Drilling | 2 | 2022 | 5 mi |
| Coldwater Drilling And Pumps | 1 | 2022 | 14 mi |
| Heimark Drilling | 1 | 2025 | 5 mi |
| Vidic Drilling Inc | 1 | 2024 | 15 mi |
| Yellow Jacket Drilling Services Llc | 1 | 2025 | 6 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Garrison. Only logs that name a company are ranked. This is a count of public records, not a recommendation; see how to check a driller before you hire. For depth, yield and water level near a specific property, see Montana Water Report.
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